84958650 has 108 divisors (see below), whose sum is σ = 265590702. Its totient is φ = 19414080.

The previous prime is 84958649. The next prime is 84958681. The reversal of 84958650 is 5685948.

It can be written as a sum of positive squares in 3 ways, for example, as 81920601 + 3038049 = 9051^2 + 1743^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84958596 and 84958605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 20124 + ... + 23976.

Almost surely, 2^84958650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84958650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132795351).

84958650 is an abundant number, since it is smaller than the sum of its proper divisors (180632052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84958650 is a wasteful number, since it uses less digits than its factorization.

84958650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3870 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 84958650 is about 9217.3016658890. The cubic root of 84958650 is about 439.6116580407.

The spelling of 84958650 in words is "eighty-four million, nine hundred fifty-eight thousand, six hundred fifty".